Finding the Fourth Proportional to 59.94, 90.32 and 58.12

Step by Step Solution

1. Step 1: Write the proportion equation
   59.94 : 90.32 = 58.12 : x
2. Step 2: Convert to fraction form
   59.94/90.32 = 58.12/x
3. Step 3: Cross multiply
   59.94x = 90.32 × 58.12
4. Step 4: Simplify right side
   59.94x = 5,249.32
5. Step 5: Solve for x
   x = 5,249.32/59.94
6. Step 6: Final answer
   x = 87.58